37 void Print(std::ostream &)
const;
40 bool AreOverlaysInPixelData()
const;
44 assert( i < Curves.size() );
48 assert( i < Curves.size() );
56 assert( i < Overlays.size() );
60 assert( i < Overlays.size() );
66 assert( i < Overlays.size() );
67 Overlays.erase( Overlays.begin() + i );